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SMPTE 183M PDF
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Motion-Picture Film – Photographic Audio Level Test Films – Measurement of Photoelectric Output Factor (R2005)
| Published by | Publication Date | Number of Pages | |
| SMPTE | 01/01/1996 | 0 |
SMPTE 183M – Motion-Picture Film – Photographic Audio Level Test Films – Measurement of Photoelectric Output Factor (R2005)
This standard specifies the method of measurement of the photoelectric output factor of single-track photographic audio level test films in all film gauges, using a calibrating audio reproducer. It is applicable to both variable-area and variable-density audio records.The standard also specifies the intended performance of a calibrating audio reproducer. Calibrated audio-level test films are employed to measure the precise output level of photographic audio reproducers and the photoelectric output factor of different audio records, and to establish a reference level on a standard program-level meter appropriately chosen for the installation.
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